How can you convert a string to uppercase but keep the first letter lowercase in PHP?

hard📝 Application Q9 of 15

PHP - String Functions

A$result = lcfirst(strtoupper($input));

B$result = ucfirst(strtolower($input));

C$result = strtolower(ucfirst($input));

D$result = strtoupper(lcfirst($input));

Step-by-Step Solution

Solution:

Step 1: Understand the requirement
Convert all letters to uppercase except the first letter which should be lowercase.
Step 2: Analyze function combination
strtoupper($input) makes all uppercase, then lcfirst() converts first letter to lowercase, achieving the goal.
Final Answer:
$result = lcfirst(strtoupper($input)); -> Option A
Quick Check:
Uppercase with first letter lowercase = $result = lcfirst(strtoupper($input)); [OK]

Quick Trick: Use strtoupper() then lcfirst() to lowercase first letter [OK]

Common Mistakes:

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